diff --git a/test-requirements.txt b/test-requirements.txt
index 26f376011..deacef12f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,7 +11,7 @@ mox3>=0.7.0
 oslosphinx>=2.2.0  # Apache-2.0
 oslotest>=1.2.0  # Apache-2.0
 python-subunit>=0.0.18
-requests-mock>=0.4.0  # Apache-2.0
+requests-mock>=0.5.1  # Apache-2.0
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 testrepository>=0.0.18
 testtools>=0.9.34